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5172431 = 114311091
BaseRepresentation
bin10011101110110011001111
3100201210020112
4103232303033
52311004211
6302510235
761651655
oct23566317
910653215
105172431
112a13140
12189537b
1310c1414
14988dd5
156c288b
hex4eeccf

5172431 has 8 divisors (see below), whose sum is σ = 5660928. Its totient is φ = 4687000.

The previous prime is 5172407. The next prime is 5172449. The reversal of 5172431 is 1342715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5172431 - 210 = 5171407 is a prime.

It is a super-2 number, since 2×51724312 = 53508084899522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5172397 and 5172406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4196 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 25172431 is an apocalyptic number.

5172431 is a deficient number, since it is larger than the sum of its proper divisors (488497).

5172431 is a wasteful number, since it uses less digits than its factorization.

5172431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533.

The product of its digits is 840, while the sum is 23.

The square root of 5172431 is about 2274.2979136428. The cubic root of 5172431 is about 172.9411072887.

The spelling of 5172431 in words is "five million, one hundred seventy-two thousand, four hundred thirty-one".

Divisors: 1 11 431 1091 4741 12001 470221 5172431